/**
 * L2FProd.com Common Components 6.9.1 License.
 *
 * Copyright 2005-2011 L2FProd.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.l2fprod.common.swing.renderer;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;

import javax.swing.Icon;
import javax.swing.UIManager;

/**
 * ColorCellRenderer. <br>
 *  
 */
public class ColorCellRenderer extends DefaultCellRenderer {

    public static String toHex(Color color) {
        String red = Integer.toHexString(color.getRed());
        String green = Integer.toHexString(color.getGreen());
        String blue = Integer.toHexString(color.getBlue());

        if (red.length() == 1) {
            red = "0" + red;
        }
        if (green.length() == 1) {
            green = "0" + green;
        }
        if (blue.length() == 1) {
            blue = "0" + blue;
        }
        return ("#" + red + green + blue).toUpperCase();
    }

    protected String convertToString(Object value) {
        if (value == null) {
            return null;
        }

        Color color = (Color) value;
        return "R:" + color.getRed() + " G:" + color.getGreen() + " B:" + color.getBlue() + " - " + toHex(color);
    }

    protected Icon convertToIcon(Object value) {
        if (value == null) {
            return null;
        }

        return new ColorIcon((Color) value);
    }

    private static class ColorIcon implements Icon {
        private Color color;

        public ColorIcon(Color color) {
            this.color = color;
        }

        public int getIconHeight() {
            return 10;
        }

        public int getIconWidth() {
            return 20;
        }

        public void paintIcon(Component c, Graphics g, int x, int y) {
            Color oldColor = g.getColor();

            if (color != null) {
                g.setColor(color);
                g.fillRect(x, y, getIconWidth(), getIconHeight());
            }

            g.setColor(UIManager.getColor("controlDkShadow"));
            g.drawRect(x, y, getIconWidth(), getIconHeight());

            g.setColor(oldColor);
        }
    }
}
